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STAGE 2 STRESS TEST · CONTRA D'ALEMBERT VS FLAT BETTING
Contra D'Alembert Press vs. Flat 1-Unit Baseline — Single-Alternating Chop under 5% Banker Commission (72-Hand Stress Test)
When 5% Comm Chop (chop) injects a 2-hand extreme run and 7 tie pushes (9.52% Tie density) over 72 coups, eight-deck audit S213-0 maps Contra D'Alembert Press at 1.33u expected erosion (13.16% ruin) compared with 0.79u (5.84% ruin) for Flat 1-Unit Baseline on 60 units. Because every 8-deck coup is statistically independent under 5% Banker Commission (0.95:1) (1.0579% edge), progression rules alter drawdown speed and table-cap collisions without changing per-hand expectation.
- Contra D'Alembert Ruin Rate
- 13.16%
- Flat Betting Ruin Rate
- 5.84%
- Peak Trough (2-Run)
- -20u
- 5% Comm Chop House Edge
- 1.0579%